<template>
  <el-card shadow="never" header="修改密码">
    <el-alert
      title="密码更新成功后，您将被重定向到登录页面，您可以使用新密码重新登录。"
      type="info"
      show-icon
      style="margin-bottom: 15px"
    />
    <el-form
      ref="form"
      :model="form"
      :rules="rules"
      label-width="120px"
      style="margin-top: 20px"
      class="noFlex"
    >
      <el-form-item label="当前密码" prop="oldPassword">
        <el-input
          v-model="form.oldPassword"
          type="password"
          show-password
          placeholder="请输入当前密码"
        ></el-input>
        <div class="el-form-item-msg">必须提供当前登录用户密码才能进行更改</div>
      </el-form-item>
      <el-form-item label="新密码" prop="password">
        <el-input
          v-model="form.password"
          type="password"
          show-password
          placeholder="请输入新密码"
        ></el-input>
        <sc-password-strength v-model="form.password"></sc-password-strength>
        <div class="el-form-item-msg">请输入包含英文、数字的8位以上密码</div>
      </el-form-item>
      <el-form-item label="确认新密码" prop="confirmPassword">
        <el-input
          v-model="form.confirmPassword"
          type="password"
          show-password
          placeholder="请再次输入新密码"
        ></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="save">保存密码</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</template>

<script>
import scPasswordStrength from '@/components/scPasswordStrength'

export default {
  components: {
    scPasswordStrength
  },
  data () {
    return {
      form: {
        oldPassword: "",
        password: "",
        confirmPassword: ""
      },
      rules: {
        oldPassword: [
          { required: true, message: '请输入当前密码' }
        ],
        password: [
          { required: true, message: '请输入新密码' }
        ],
        confirmPassword: [
          { required: true, message: '请再次输入新密码' },
          {
            validator: (rule, value, callback) => {
              if (value !== this.form.password) {
                callback(new Error('两次输入密码不一致'))
              } else {
                callback()
              }
            }
          }
        ]
      }
    }
  },
  methods: {
    save () {
      this.$refs.form.validate(async valid => {
        let res = await this.$API.user.updatePassword.post(this.form)
        if (res.code == 200) {
          if (valid) {
            this.$alert("密码修改成功，是否跳转至登录页使用新密码登录", "修改成功", {
              type: 'success',
              center: true
            }).then(() => {
              this.$router.replace({
                path: '/login'
              })
            }).catch(() => { })
          } else {
            return false
          }
        } else {
          this.$message('密码修改失败')
        }
      })
    }
  }
}
</script>

<style lang='scss' scoped>
.el-form-item {
  width: 40%;
}
</style>
